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Long Island Viaduct

Photos 

Photo taken by Doc Searls

License: Creative Commons Attribution-Share-Alike (CC BY-SA)

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View this photo on Flickr

BH Photo #310407

Map 

Description 

Bridge connecting Long Island to Moon Island, which in turn is connected to the mainland by a causeway. Mainly used to access a large shelter for the homeless. Closed in October 2014 after years of neglect caused the bridge to be on the brink of failure. Scheduled for replacement over the next three years.

Facts 

Overview
Warren through truss with all verticals bridge over Boston Harbor on Long Island Road
Location
Boston, Suffolk County, Massachusetts
Status
Removed
History
Built 1951, demolished 2015
Builders
- Bethlehem Steel Co. of Bethlehem, Pennsylvania
- Crandall Engineering Co.
Design
For most of its length this is a Warren deck truss. At the ship channel there is a short (five panel?) polygonal Warren through truss with all verticals.
Dimensions
Length of largest span: 250.0 ft.
Total length: 3,325.0 ft. (0.6 mi.)
Deck width: 30.0 ft.
Approximate latitude, longitude
+42.30804, -70.98241   (decimal degrees)
42°18'29" N, 70°58'57" W   (degrees°minutes'seconds")
Approximate UTM coordinates
19/336612/4685881 (zone/easting/northing)
Quadrangle map:
Hull
Inventory number
BH 63923 (Bridgehunter.com ID)

Update Log 

  • March 1, 2020: New photo from Geoff Hubbs
  • December 26, 2014: Updated by Luke: Added builder
  • December 26, 2014: Updated by Clark Vance: Design description details.
  • November 1, 2014: Added by Ian Martin

Sources 

  • Ian Martin
  • Clark Vance - cvance [at] dogmail [dot] com
  • Luke
  • Wikipedia
  • Geoff Hubbs

Comments 

Long Island Viaduct
Posted March 30, 2015, by Ian Martin
Long Island Viaduct
Posted January 11, 2015, by Ian Martin